Question
Cognizant
US
Last activity: 23 Jun 2016 10:03 EDT
Node in SMA is disappeared. May i know the possible reasons for it.
Hi,
Its an Upgrade project from Pega 6.1 to 7.2
One day there is OutofMemoryError so thought of checking Logs and have taken from SMA after selecting node. After sometime it asked me to reconnect to SMA and then there are no nodes, nodes disappeared.
So, Can some one let me know the possible reasons for this.
Thanks,
Naveen
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Accepted Solution
Cognizant
US
Node got deleted some how and added again. Thanks for all the information.
Pegasystems Inc.
IN
Hi Naveen,
Is SMA hosted on same PRPC server that saw OOM?
If yes, then, it is because server is already seen OOM, you may see no activity on SMA too.
Cognizant
US
Thanks Arvind for your reply.
But after Server is recovered from OOM, then also no Nodes are appearing.
So, Nodes got deleted?
Thanks,
Naveen
Pegasystems Inc.
IN
Can you try adding node on SMA now to see if it works.
If it does not, see whether there are any exception logged in PegaRULES/Application logs.
Anthem
US
Similar issue happening to us as well. Node entries are getting disappeared and if we add the node again, getting alert mentioning node is already present. We are using 7.1.7.
Pegasystems Inc.
AU
Hello Suraj and Naveen,
The node details are stored in the node.xml. I am not sure why those entries are getting removed, check the node.xml and see if you have the old entries and if you do not see the entries or for some reason getting removed, externalize the node.xml. You can follow the enclosed steps to externalize;
1. Externalize the node.xml and provide all the steps or configurations to make the changes.
2. Create a folder where SMA can write the node.xml file and authorize it.
3. Add the below JVM arguments in your startup script.
–Dcom.pega.sma.tempdir=/SYSTEM/tmp/SMA
Pegasystems Inc.
US
correction: I think the jvm argument should be com.pega.sma.tmpdir instead of com.pega.sma.tempdir.
Updated: 15 Jun 2016 12:27 EDT
Pegasystems Inc.
US
Kindly go through the below PDN articles if it might help you,
https://community.pega.com/support/support-articles/nodes-disappear-sma-after-restart
Moreover let us know if you are facing any errors in the log file during access of the SMA to find the root cause of the issue.
Note: You can check the available nodes information in the Nodes.xml file which is present in the location "$TOMCAT$\work\Catalina\localhost\prsysmgmt\Nodes.xml" in Tomcat server.
Areteans Technology Solutions
IN
If Pega 7.2 is running on WebSphere 8.5.5 cluster, what will be the default location of Nodes.xml?
Pegasystems Inc.
US
In Websphere the Nodes.xml file will be available in "$WebSphere$\AppServer\profiles\$YOUR_PROFILE$\temp\$YOUR_NODE$\$YOUR_SERVER$\prsysmgmt\prsysmgmt.war\Nodes.xml" this location.
If you couldn't find the Nodes.xml file in this location then try to search for "Nodes.xml" file in your server location of websphere.
I hope this can be helpful for you to find the corresponding file.
Accepted Solution
Cognizant
US
Node got deleted some how and added again. Thanks for all the information.